Intent用法实例

//以下是常用到的Intent的URI及其示例，包含了大部分应用中用到的共用Intent。  

002    

003 //一、打开一个网页，类别是Intent.ACTION_VIEW  

004    

005 Uri uri = Uri.parse(“http://blog.3gstdy.com/”);  

006    

007 Intent intent = new Intent(Intent.ACTION_VIEW, uri);  

008 //二、打开地图并定位到一个点  

009    

010 Uri uri = Uri.parse(“geo:52.76,-79.0342″);  

011    

012 Intent intent = new Intent(Intent.ACTION_VIEW, uri);  

013    

014 //三、打开拨号界面 ,类型是Intent.ACTION_DIAL  

015    

016 Uri uri = Uri.parse(“tel:10086″);  

017    

018 Intent intent = new Intent(Intent.ACTION_DIAL, uri);  

019    

020 //四、直接拨打电话,与三不同的是，这个直接拨打电话，而不是打开拨号界面  

021    

022 Uri uri = Uri.parse(“tel:10086″);  

023    

024 Intent intent = new Intent(Intent.ACTION_CALL, uri);  

025    

026 //五、卸载一个应用，Intent的类别是Intent.ACTION_DELETE  

027    

028 Uri uri = Uri.fromParts(“package”, “xxx”, null);  

029    

030 Intent intent = new Intent(Intent.ACTION_DELETE, uri);  

031    

032 //六、安装应用程序,Intent的类别是Intent.ACTION_PACKAGE_ADDED  

033    

034 Uri uri = Uri.fromParts(“package”, “xxx”, null);  

035    

036 Intent intent = new Intent(Intent.ACTION_PACKAGE_ADDED, uri);  

037    

038 //七、播放音频文件  

039    

040 Uri uri = Uri.parse(“file:///sdcard/download/everything.mp3″);  

041    

042 Intent intent = new Intent(Intent.ACTION_VIEW, uri);  

043    

044 intent.setType(“audio/mp3″);  

045    

046 //八、打开发邮件界面  

047    

048 Uri uri= Uri.parse(“mailto:admin@3gstdy.com”);  

049    

050 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);  

051    

052 //九、发邮件,与八不同这里是将邮件发送出去，  

053    

054 Intent intent = new Intent(Intent.ACTION_SEND);  

055    

056 String[] tos = { “admin@3gstdy.com” };  

057    

058 String[] ccs = { “webmaster@3gstdy.com” };  

059    

060 intent.putExtra(Intent.EXTRA_EMAIL, tos);  

061    

062 intent.putExtra(Intent.EXTRA_CC, ccs);  

063    

064 intent.putExtra(Intent.EXTRA_TEXT, “I come from http://blog.3gstdy.com”);  

065    

066 intent.putExtra(Intent.EXTRA_SUBJECT, “http://blog.3gstdy.com”);intent.setType(“message/rfc882″);  

067    

068 Intent.createChooser(intent, “Choose Email Client”);  

069    

070 //发送带附件的邮件  

071    

072 Intent intent = new Intent(Intent.ACTION_SEND);  

073    

074 intent.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);  

075    

076 intent.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/mysong.mp3″);  

077    

078 intent.setType(“audio/mp3″);  

079    

080 startActivity(Intent.createChooser(intent, “Choose Email Client”));  

081    

082 //十、发短信  

083    

084 Uri uri= Uri.parse(“tel:10086″);  

085    

086 Intent intent = new Intent(Intent.ACTION_VIEW, uri);  

087    

088 intent.putExtra(“sms_body”, “I come from http://blog.3gstdy.com”);  

089    

090 intent.setType(“vnd.Android-dir/mms-sms”);  

091    

092 //十一、直接发邮件  

093    

094 Uri uri= Uri.parse(“smsto://100861″);  

095    

096 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);  

097    

098 intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”);  

099    

100 //十二、发彩信  

101    

102 Uri uri= Uri.parse(“content://media/external/images/media/23″);  

103    

104 Intent intent = new Intent(Intent.ACTION_SEND);  

105    

106 intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”);  

107    

108 intent.putExtra(Intent.EXTRA_STREAM, uri);  

109    

110 intent.setType(“image/png”);  

111    

112 //十三、# Market 相关  

113    

114 //1 //寻找某个应用  

115    

116 Uri uri = Uri.parse(“market://search?q=pname:pkg_name”);  

117    

118 Intent it = new Intent(Intent.ACTION_VIEW, uri);  

119    

120 startActivity(it);  

121    

122 //where pkg_name is the full package path for an application  

123    

124 //2 //显示某个应用的相关信息  

125    

126 Uri uri = Uri.parse(“market://details?id=app_id”);  

127    

128 Intent it = new Intent(Intent.ACTION_VIEW, uri);  

129    

130 startActivity(it);  

131    

132 //where app_id is the application ID, find the ID  

133    

134 //by clicking on your application on Market home  

135    

136 //page, and notice the ID from the address bar  

137    

138 //十四、路径规划  

139    

140 Uri uri = Uri.parse(“http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en”);  

141    

142 Intent it = new Intent(Intent.ACTION_VIEW, uri);  

143    

144 startActivity(it);